.page-disclaimer {
  --dc-cut: polygon(14px 0, 100% 0, 100% calc(100% - 14px), calc(100% - 14px) 100%, 0 100%, 0 14px);
  --dc-cut-s: polygon(9px 0, 100% 0, 100% calc(100% - 9px), calc(100% - 9px) 100%, 0 100%, 0 9px);
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-body);
  font-size: var(--fs-1);
  line-height: 1.75;
  padding-bottom: 84px;
  overflow-x: hidden;
}

.page-disclaimer .arc-crumbs {
  padding-top: 20px;
}

/* ---------- 首屏 ---------- */
.page-disclaimer .dc-hero {
  padding-top: 6px;
}

.page-disclaimer .dc-hero__inner {
  display: grid;
  gap: 14px;
}

.page-disclaimer .dc-gauge {
  position: relative;
  height: 30px;
  margin: 0 0 26px;
  border-top: 1px solid var(--edge);
  border-bottom: 1px solid var(--edge);
  background-image:
    repeating-linear-gradient(90deg, var(--edge) 0, var(--edge) 1px, transparent 1px, transparent 28px),
    linear-gradient(90deg, rgba(255, 194, 75, 0.26), rgba(43, 231, 245, 0.14) 58%, rgba(198, 75, 255, 0.1));
  transform: skewY(-1.5deg);
}

.page-disclaimer .dc-gauge::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 50%;
  height: 2px;
  transform: translateY(-1px);
  background: linear-gradient(90deg, transparent, var(--mango) 16%, var(--cyan) 60%, transparent);
  opacity: 0.75;
}

.page-disclaimer .dc-hero__title {
  margin: 0;
  font-size: clamp(44px, 8.4vw, 92px);
  line-height: 0.96;
  letter-spacing: -0.03em;
  font-weight: 900;
}

.page-disclaimer .dc-hero__title::after {
  content: "";
  display: block;
  width: 108px;
  height: 6px;
  margin-top: 18px;
  background: linear-gradient(90deg, var(--green), var(--cyan) 62%, transparent);
}

.page-disclaimer .dc-hero__lead {
  margin: 6px 0 0;
  max-width: 62ch;
  color: var(--mute);
  font-size: 16px;
  line-height: 1.8;
}

.page-disclaimer .dc-hero__keys {
  list-style: none;
  margin: 8px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.05em;
  color: var(--mute);
}

.page-disclaimer .dc-hero__keys li {
  display: flex;
  align-items: center;
  gap: 8px;
}

.page-disclaimer .dc-hero__keys li::before {
  content: "";
  flex: none;
  width: 8px;
  height: 8px;
  background: var(--green);
  clip-path: polygon(0 0, 100% 0, 100% 68%, 68% 100%, 0 100%);
}

.page-disclaimer .dc-hero__media {
  margin-top: 28px;
}

.page-disclaimer .dc-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  clip-path: var(--dc-cut);
}

/* ---------- 章节 ---------- */
.page-disclaimer .dc-block {
  margin-top: 66px;
}

.page-disclaimer .dc-block__head {
  display: grid;
  gap: 8px;
  margin-bottom: 24px;
  max-width: 780px;
}

.page-disclaimer .dc-block__num {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--mango);
}

.page-disclaimer .dc-block__num::before {
  content: "";
  display: inline-block;
  width: 26px;
  height: 1px;
  margin-right: 10px;
  vertical-align: 4px;
  background: var(--mango);
}

.page-disclaimer .dc-block__title {
  margin: 0;
  font-size: clamp(24px, 4.8vw, 39px);
  line-height: 1.14;
  letter-spacing: -0.01em;
  font-weight: 900;
}

.page-disclaimer .dc-block__intro {
  margin: 0;
  max-width: 62ch;
  color: var(--mute);
  font-size: 16px;
  line-height: 1.8;
}

/* ---------- 双栏对照 ---------- */
.page-disclaimer .dc-rows {
  display: grid;
  gap: 14px;
}

.page-disclaimer .dc-row {
  display: grid;
  gap: 10px;
}

.page-disclaimer .dc-note {
  position: relative;
  padding: 20px 22px 22px;
  background: var(--ink-2);
  border: 1px solid var(--edge-soft);
  clip-path: var(--dc-cut-s);
  transition: background 220ms ease, box-shadow 220ms ease, border-color 220ms ease;
}

.page-disclaimer .dc-note:focus-visible {
  outline: none;
}

.page-disclaimer .dc-note__id {
  margin: 0 0 8px;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--mute-dim);
}

.page-disclaimer .dc-note__title {
  margin: 0 0 8px;
  font-size: 20px;
  font-weight: 800;
  line-height: 1.3;
}

.page-disclaimer .dc-note__text {
  margin: 0;
  color: var(--mute);
  font-size: 15px;
  line-height: 1.8;
}

.page-disclaimer .dc-demo {
  position: relative;
  padding: 20px 22px 22px;
  background: rgba(242, 244, 255, 0.032);
  border: 1px solid var(--edge-soft);
  clip-path: var(--dc-cut-s);
  transition: background 220ms ease, border-color 220ms ease, transform 220ms ease, box-shadow 220ms ease;
}

.page-disclaimer .dc-demo::before {
  content: "";
  position: absolute;
  left: 0;
  top: 16px;
  bottom: 16px;
  width: 2px;
  background: linear-gradient(180deg, var(--cyan), rgba(198, 75, 255, 0.35));
}

.page-disclaimer .dc-demo__label {
  margin: 0 0 10px;
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--cyan);
}

.page-disclaimer .dc-demo__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--paper);
  opacity: 0.92;
}

.page-disclaimer .dc-row:focus-within .dc-note {
  background: var(--ink-3);
  border-color: var(--green);
  box-shadow: inset 0 0 0 1px var(--green), inset 5px 0 0 var(--green);
}

.page-disclaimer .dc-row:focus-within .dc-demo {
  border-color: var(--cyan);
  background: rgba(43, 231, 245, 0.07);
  transform: translateX(3px);
}

/* ---------- 键值列表 ---------- */
.page-disclaimer .dc-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-disclaimer .dc-list li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 6px 16px;
  padding: 9px 0;
  border-bottom: 1px dashed var(--edge-soft);
  font-size: 14px;
}

.page-disclaimer .dc-list li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-disclaimer .dc-list__k {
  color: var(--mute);
}

.page-disclaimer .dc-list__v {
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: 0.02em;
  color: var(--mango);
}

/* ---------- 条款入口 ---------- */
.page-disclaimer .dc-links {
  display: grid;
  gap: 12px;
}

.page-disclaimer .dc-link {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 18px 20px 20px;
  background: var(--ink-2);
  border: 1px solid var(--edge-soft);
  clip-path: var(--dc-cut-s);
  text-decoration: none;
  color: inherit;
  transition: transform 220ms ease, border-color 220ms ease, background 220ms ease;
}

.page-disclaimer .dc-link:hover {
  background: var(--ink-3);
  border-color: var(--green);
  transform: translateY(-3px);
}

.page-disclaimer .dc-link:focus-visible {
  outline: none;
  box-shadow: inset 0 0 0 3px var(--cyan);
}

.page-disclaimer .dc-link__id {
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--mute-dim);
}

.page-disclaimer .dc-link__name {
  font-size: 19px;
  font-weight: 800;
  line-height: 1.3;
}

.page-disclaimer .dc-link__desc {
  font-size: 14px;
  line-height: 1.75;
  color: var(--mute);
}

.page-disclaimer .dc-link__arrow {
  margin-top: 6px;
  font-size: 13px;
  color: var(--green);
  transition: transform 220ms ease;
}

.page-disclaimer .dc-link:hover .dc-link__arrow,
.page-disclaimer .dc-link:focus-visible .dc-link__arrow {
  transform: translateX(4px);
}

/* ---------- 回顶 ---------- */
.page-disclaimer .dc-top {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 44px;
  padding: 10px 18px;
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--paper);
  text-decoration: none;
  background: transparent;
  border: 1px solid var(--edge);
  clip-path: var(--dc-cut-s);
  transition: border-color 220ms ease, color 220ms ease;
}

.page-disclaimer .dc-top:hover {
  border-color: var(--green);
  color: var(--green);
}

.page-disclaimer .dc-top:focus-visible {
  outline: none;
  box-shadow: inset 0 0 0 3px var(--cyan);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-disclaimer .dc-links {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-disclaimer {
    padding-bottom: 110px;
  }

  .page-disclaimer .dc-block {
    margin-top: 86px;
  }

  .page-disclaimer .dc-row {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 16px;
    align-items: stretch;
  }

  .page-disclaimer .dc-note,
  .page-disclaimer .dc-demo {
    padding: 24px 26px 26px;
  }

  .page-disclaimer .dc-note__title {
    font-size: 22px;
  }
}

@media (min-width: 1024px) {
  .page-disclaimer .dc-links {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .dc-note,
  .page-disclaimer .dc-demo,
  .page-disclaimer .dc-link,
  .page-disclaimer .dc-link__arrow,
  .page-disclaimer .dc-top {
    transition: none;
  }

  .page-disclaimer .dc-link:hover {
    transform: none;
  }

  .page-disclaimer .dc-row:focus-within .dc-demo {
    transform: none;
  }
}